Growing Tree Preschool 1695 Canyon Rd, Moraga, CA94556 Growing Tree is a private, non-denominational preschool built onto a bluff overlooking Canyon Road. The school serves…More children ages two to five years. It has an "open-door" policy and encourages parents to spend time in the classroom. Children need not be toilet trained upon enrollment. In order to avoid potential allergic reactions, Growing Tree is a nut-free facility.